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  1. Thanks. Good info. Bench Power supply + Reset:...

    Thanks. Good info. Bench Power supply + Reset: yes, something similar :-)

    I think that it is, if the VUSB-VIN pads were not cut apart. But I've cut apart the VUSB-VIN pads... and now it's working...
  2. I've cut apart the VUSB-VIN pads. Now it is...

    I've cut apart the VUSB-VIN pads. Now it is working fine. Maybe I've missed something. I don't know.

    But what is this curious LED state? With USB Power the LED is off, without the LED goes on.
    ...
  3. Teensy 4.0 "5V in" not the same as "USB 5V in"? (no MQS Audio output)

    Is there a difference between USB 5V and 5V in Pin?

    I'm using the MQS Audio Out Pins, but these Pins working with USB 5V only.

    At least they seem to need the USB 5V for "starting". Because if I...
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    Too complicated for me. I will wait for a CPU...

    Too complicated for me. I will wait for a CPU reset register version.
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    Yes, this is useful.

    Yes, this is useful.
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    For me the code is not working at all. 1. Can...

    For me the code is not working at all.

    1. Can not compile the code (error)
    2. if the code is running (modified a bit), then the reset is not done.


    ...
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    You have an email.

    You have an email.
  8. PWM as Audio Out ... Code Example for Teensy 4?

    Can someone post a link to a PWM Audio Out example for the Teensy 4?

    And can I also use the "MQS" Pins for that (without to use the "MQS" Audio Stuff)?
  9. Teensy 4.0 MQS Audio Pin direct connection to "AUDIO in" of my TV?

    Can I direct connect the MQS Pin to my TV Audio Input (Chinch)?
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    Usable for Teensy 4.0 ?

    Usable for Teensy 4.0 ?
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    Thank you for the infos

    Thank you for the infos
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    Teensy 4.0: Can I use Serial Pins 0 and 1?

    I've tried to use Pins 0 and 1 of the Teensy 4.0

    I can use Pin 1 but only as input, and Pin 0 only as Output (not as Input)

    But I can not use pinMode for these pins. Is there a specific reason?...
  13. Thanks. Ok, no fast pinMode :-) Finally I had...

    Thanks. Ok, no fast pinMode :-)

    Finally I had success reading pins at 800Mhz and finished my project.

    It would have been nice if I had more possibilities, so i had to delete some features, but...
  14. https://forum.pjrc.com/threads/29778-pinModeFast()...

    https://forum.pjrc.com/threads/29778-pinModeFast()-doesn-t-work-in-Arduino-1-6-5-(Teensyduino-1-25-beta-2)
  15. Question: pinModeFast is not available anymore?

    Question: pinModeFast is not available anymore?
  16. At this time with the new Teensy 4.0 you can not...

    At this time with the new Teensy 4.0 you can not use many pins with a breadboard, because they are on the back side :-)

    Outer 2nd Row: Breadboard is not a big problem... use an adapter board for...
  17. Another idea... why not this?: 18222 I...

    Another idea... why not this?:

    18222

    I mean... why only 1 row on each side?

    Make it not longer... make it wider :-) Or make it longer + wider + cutable

    Then anyone can place pin headers...
  18. Thanks I will try to test it.

    Thanks I will try to test it.
  19. KurtE send me a link to this interesting thread....

    KurtE send me a link to this interesting thread.

    Ok, what I think about the Teensy 4.0, and my idea for a "Long" Version.

    First, make the length optional! How? Break/Cut-able! I need a small...
  20. Wow nice. I will definitely test this too. ...

    Wow nice. I will definitely test this too.

    Yes, the Teensy 4.0 is a little bit more complicated to handle. I also miss the very nice 5V tolerant Digital Pins very much.
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    Ok, I've tested it with MQS, and is working fine...

    Ok, I've tested it with MQS, and is working fine ;-)

    Thank you!
  22. More informations as I expected :-) Thank you...

    More informations as I expected :-) Thank you very much. It seems that this forum is much better than the most. Less haters.


    Here is the definition:

    uint8_t portPinsD[pinCountC] = {1, 4, 2,...
  23. But... it seems if...

    But... it seems

    if (digitalReadFast(portPinsC[0])) ret |= (1<<0);
    if (digitalReadFast(portPinsC[1])) ret |= (1<<1);
    if (digitalReadFast(portPinsC[2])) ret |= (1<<2);
    if...
  24. Thanks, thats also ok :-)

    Thanks, thats also ok :-)
  25. Teensy 4.0 has no PORTC and PORTD definitions?

    I'm trying to use:


    #define PORTC_PDIR GPIOC_PDIR
    #define PORTD_PDIR GPIOD_PDIR

    But...

    sketch_nov15a: In function 'void ReadLines()':
    sketch_nov15a:30: error: 'GPIOD_PDIR' was not...
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    Edited, ups... false board :-)

    Edited, ups... false board :-)
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    Thanks, I will try it out.

    Thanks, I will try it out.
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    Thanks for the fast reply. How I can use the...

    Thanks for the fast reply.

    How I can use the two MQS pins (pins 10 and 12) as DACs?

    But I think I will use a Teensy 3.5 and saw off the board all behind the pin 18 (the whole SDCard)
    Then I...
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    Teensy 4.0 DAC Pins? 34 35 38 39?!

    Hello,

    I'm confused, the Teensy 3.2 and 3.5 3.6 had DACs (1/2/2).
    On the back of the Teensy there are 4 DATx Pins. Are these DAC Pins?

    If not... has the Teensy 4.0 no DACs?

    Another...
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